Rarer variant with the remaining antoninians of this type.
Roman Imperial
Probus (276-282), Antoninianus 276-282, Rome mint
Obverse: bust of the emperor in armor, with a spear, facing left
IMP PROBVS PF AVG
Reverse: Sol in the quadriga to the left, R (thunderbolt) Γ in exerque
SOLI INVICTO
Weight 3.09 g